.page-news {
  --news-rail-w: 220px;
  --news-card-bg: linear-gradient(158deg, rgba(20, 42, 92, .88) 0%, rgba(16, 31, 68, .58) 100%);
}

/* ---------- 首屏框景 ---------- */
.page-news .news-intro {
  padding-top: clamp(16px, 3vw, 30px);
  padding-bottom: clamp(28px, 5vw, 56px);
}

.page-news .news-intro__frame {
  position: relative;
  margin-top: var(--sp-3);
  padding: clamp(26px, 5vw, 56px) clamp(20px, 4.4vw, 56px) clamp(28px, 5vw, 52px);
  border-radius: var(--r-l);
  background:
    radial-gradient(120% 150% at 10% 0%, rgba(108, 63, 197, .32) 0%, rgba(108, 63, 197, 0) 58%),
    radial-gradient(90% 130% at 102% 104%, rgba(0, 229, 255, .14) 0%, rgba(0, 229, 255, 0) 60%),
    linear-gradient(178deg, #0B1B3A 0%, #101F44 100%);
  overflow: hidden;
}

.page-news .news-intro__frame::after {
  content: "";
  position: absolute;
  right: -18%;
  top: -32%;
  width: 46%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, rgba(154, 107, 255, .28) 0%, rgba(154, 107, 255, 0) 70%);
  pointer-events: none;
}

.page-news .news-intro__frame h1 {
  position: relative;
  margin: var(--sp-3) 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.6vw, 3.15rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--c-ink-bright);
  max-width: 24ch;
}

.page-news .news-intro__lead {
  position: relative;
  margin: var(--sp-3) 0 0;
  max-width: 62ch;
  font-size: var(--fs-15);
  line-height: 1.9;
  letter-spacing: .02em;
  color: var(--c-ink);
}

.page-news .news-intro__meta {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px var(--sp-3);
  margin: var(--sp-5) 0 0;
  padding: var(--sp-3) 0 0;
  border-top: 1px dashed var(--c-rule);
  list-style: none;
  font-size: var(--fs-13);
  color: var(--c-ink-dim);
}

.page-news .news-intro__meta .mono {
  color: var(--c-pulse);
}

/* ---------- 章节标题 ---------- */
.page-news .news-head {
  max-width: 70ch;
}

.page-news .news-head h2 {
  margin: var(--sp-3) 0 0;
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--c-ink-bright);
}

.page-news .news-head__lead {
  margin: var(--sp-3) 0 0;
  font-size: var(--fs-15);
  line-height: 1.9;
  letter-spacing: .02em;
  color: var(--c-ink-dim);
}

/* ---------- 总览 ---------- */
.page-news .news-overview__figure {
  margin: var(--sp-5) 0 0;
  aspect-ratio: 3 / 1;
}

.page-news .series-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-3);
  margin: var(--sp-5) 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 620px) {
  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-news .series-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-news .series-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: var(--sp-3);
  border: var(--glass-line);
  border-left: 2px solid rgba(108, 63, 197, .7);
  border-radius: var(--r-m);
  background: var(--news-card-bg);
  transition: border-color .24s ease, transform .24s ease;
}

.page-news .series-card::before {
  content: "";
  position: absolute;
  left: -2px;
  top: 20px;
  width: 2px;
  height: 26px;
  background: var(--c-galaxy-2);
  transition: background-color .24s ease, box-shadow .24s ease;
}

.page-news .series-card:hover::before {
  background: var(--c-pulse);
  box-shadow: var(--glow-pulse);
}

.page-news .series-card__no {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--c-galaxy-2);
}

.page-news .series-card__name {
  margin: 10px 0 0;
  font-size: var(--fs-17);
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-ink-bright);
  overflow-wrap: anywhere;
}

.page-news .series-card__scope {
  margin: 10px 0 0;
  font-size: var(--fs-13);
  line-height: 1.8;
  color: var(--c-ink-dim);
}

.page-news .series-card__meta {
  margin: auto 0 0;
  padding-top: var(--sp-3);
  font-size: var(--fs-13);
  color: var(--c-ink-dim);
}

.page-news .series-card__meta .mono {
  color: var(--c-pulse);
}

/* ---------- 双栏板 ---------- */
.page-news .news-board-section {
  padding-top: clamp(24px, 4vw, 40px);
}

.page-news .news-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-5);
}

@media (min-width: 960px) {
  .page-news .news-board {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 56px);
    align-items: start;
  }

  .page-news .news-board__rail {
    position: sticky;
    top: 112px;
  }
}

.page-news .news-board__rail {
  min-width: 0;
  padding: var(--sp-3);
  border: var(--glass-line);
  border-radius: var(--r-m);
  background: linear-gradient(180deg, rgba(20, 42, 92, .62) 0%, rgba(11, 27, 58, .3) 100%);
}

.page-news .news-board__rail-title {
  margin: 0 0 var(--sp-3);
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--c-rule);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--c-ink-dim);
}

.page-news .news-board__rail-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: railitem;
}

@media (min-width: 960px) {
  .page-news .news-board__rail-list {
    flex-direction: column;
    gap: 2px;
  }
}

.page-news .news-board__rail-list li {
  min-width: 0;
  counter-increment: railitem;
}

.page-news .news-board__rail-list a {
  display: block;
  padding: 7px 0 7px 26px;
  position: relative;
  font-size: var(--fs-13);
  line-height: 1.6;
  color: var(--c-ink-dim);
  text-decoration: none;
  transition: color .2s ease, padding-left .2s ease;
}

.page-news .news-board__rail-list a::before {
  content: counter(railitem, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 7px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--c-galaxy-2);
  transition: color .2s ease;
}

.page-news .news-board__rail-list a:hover,
.page-news .news-board__rail-list a:focus-visible {
  color: var(--c-ink-bright);
  padding-left: 30px;
}

.page-news .news-board__rail-list a:hover::before {
  color: var(--c-pulse);
}

.page-news .news-board__rail-note {
  margin: var(--sp-3) 0 0;
  padding-top: var(--sp-3);
  border-top: 1px dashed var(--c-rule);
  font-size: var(--fs-12);
  line-height: 1.8;
  color: var(--c-ink-dim);
}

.page-news .news-board__feed {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(40px, 6vw, 72px);
}

/* ---------- 系列块 ---------- */
.page-news .series {
  min-width: 0;
  scroll-margin-top: 120px;
}

.page-news .series__head {
  min-width: 0;
}

.page-news .series__no {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: .14em;
  color: var(--c-galaxy-2);
}

.page-news .series__head h3 {
  margin: 10px 0 0;
  font-size: clamp(1.15rem, 2.1vw, 1.5rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--c-ink-bright);
  overflow-wrap: anywhere;
}

.page-news .series__desc {
  margin: 10px 0 0;
  max-width: 58ch;
  font-size: var(--fs-13);
  line-height: 1.85;
  color: var(--c-ink-dim);
}

.page-news .series__desc .mono {
  color: var(--c-pulse);
}

.page-news .news-topic__figure {
  margin: var(--sp-3) 0 0;
  aspect-ratio: 16 / 9;
}

.page-news .news-revision__figure {
  margin: var(--sp-3) 0 0;
  aspect-ratio: 16 / 9;
}

/* ---------- 条目列表 ---------- */
.page-news .entry-list {
  margin: var(--sp-3) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px dashed var(--c-rule);
}

.page-news .entry {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: var(--sp-3) 0;
  border-bottom: 1px dashed var(--c-rule);
  min-width: 0;
  transition: background-color .24s ease;
}

.page-news .entry:hover {
  background: linear-gradient(90deg, rgba(108, 63, 197, .12) 0%, rgba(108, 63, 197, 0) 72%);
}

@media (min-width: 700px) {
  .page-news .entry {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 0 var(--sp-3);
    align-items: start;
  }

  .page-news .entry__no {
    grid-column: 1;
    grid-row: 1 / span 2;
    padding-top: 2px;
  }

  .page-news .entry__title {
    grid-column: 2;
    grid-row: 1;
  }

  .page-news .entry__sum {
    grid-column: 2;
    grid-row: 2;
  }
}

.page-news .entry__no {
  margin: 0;
  font-size: var(--fs-13);
  letter-spacing: .06em;
  color: var(--c-pulse);
  white-space: nowrap;
}

.page-news .entry--rev .entry__no {
  color: var(--c-galaxy-2);
  white-space: normal;
}

.page-news .entry__title {
  margin: 0;
  font-size: var(--fs-17);
  font-weight: 700;
  line-height: 1.55;
  color: var(--c-ink-bright);
  overflow-wrap: anywhere;
}

.page-news .entry__sum {
  margin: 6px 0 0;
  font-size: var(--fs-13);
  line-height: 1.85;
  color: var(--c-ink-dim);
  max-width: 64ch;
}

.page-news .entry-list--compact .entry__title {
  font-size: var(--fs-15);
}

/* ---------- 平行双栏 ---------- */
.page-news .duo {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(40px, 6vw, 64px);
}

@media (min-width: 900px) {
  .page-news .duo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(32px, 4vw, 56px);
  }

  .page-news .duo__col + .duo__col {
    padding-left: clamp(28px, 4vw, 48px);
    border-left: 1px dashed var(--c-rule);
  }
}

/* ---------- 标签云 ---------- */
.page-news .tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: var(--sp-5) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .tag-cloud a {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--c-rule);
  border-radius: 999px;
  font-size: var(--fs-13);
  line-height: 1.6;
  color: var(--c-ink-dim);
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-news .tag-cloud a:hover,
.page-news .tag-cloud a:focus-visible {
  color: var(--c-ink-bright);
  border-color: var(--c-pulse);
  background: rgba(0, 229, 255, .08);
}

/* ---------- 检索方式 ---------- */
.page-news .lookup-groups {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: var(--sp-5) 0 0;
}

.page-news .lookup-groups__label {
  font-size: var(--fs-15);
  font-weight: 700;
  color: var(--c-ink-bright);
}

.page-news .lookup-groups__hint {
  margin-left: auto;
  font-size: var(--fs-12);
  color: var(--c-ink-dim);
  text-align: right;
}

.page-news .lookup-groups .index-group__inner p {
  margin: 0;
  max-width: 68ch;
  font-size: var(--fs-13);
  line-height: 1.9;
  color: var(--c-ink-dim);
}

.page-news .lookup-groups .mono {
  color: var(--c-pulse);
}

.page-news .news-lookup__cta {
  margin: var(--sp-5) 0 0;
  padding: var(--sp-3) 0 0 var(--sp-3);
  border-top: 1px dashed var(--c-rule);
  border-left: 2px solid var(--c-galaxy-2);
  max-width: 74ch;
  font-size: var(--fs-15);
  line-height: 1.9;
  color: var(--c-ink-dim);
}

.page-news .news-lookup__cta a {
  color: var(--c-pulse);
  text-decoration: none;
  border-bottom: 1px dashed rgba(0, 229, 255, .5);
}

.page-news .news-lookup__cta a:hover,
.page-news .news-lookup__cta a:focus-visible {
  border-bottom-style: solid;
}

@media (max-width: 699px) {
  .page-news .news-overview__figure,
  .page-news .news-topic__figure,
  .page-news .news-revision__figure {
    aspect-ratio: 16 / 10;
  }

  .page-news .entry__no {
    margin-bottom: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .series-card,
  .page-news .entry,
  .page-news .tag-cloud a,
  .page-news .news-board__rail-list a {
    transition: none;
  }
}